GOST 8950-75 Ductile iron connecting parts with cylindrical threads for pipelines. Tees with two transitions. Main dimensions

GOST 8951-75 Ductile iron connecting parts with cylindrical threads for pipelines. Crosses are straight. Main dimensions

GOST 8952-75 Ductile iron connecting parts with cylindrical threads for pipelines. Cross crosses. Main dimensions

GOST 8953-75 Ductile iron connecting parts with cylindrical threads for pipelines. Crosses with two transitions. Main dimensions

GOST 8954-75 Ductile iron connecting parts with cylindrical threads for pipelines. Couplings are straight short. Main dimensions

GOST 8955-75 Ductile iron connecting parts with cylindrical threads for pipelines. Couplings are straight long. Main dimensions

GOST 8956-75 Ductile iron connecting parts with cylindrical threads for pipelines. The compensating couplings. Main dimensions

GOST 8957-75 Ductile iron connecting parts with cylindrical threads for pipelines. Couplings transient. Main dimensions

GOST 8958-75 Ductile iron connecting parts with cylindrical threads for pipelines. Double nipples. Main dimensions

GOST 8959-75 Ductile iron connecting parts with cylindrical threads for pipelines. Connecting nuts. Main dimensions

GOST 8960-75 Ductile iron connecting parts with cylindrical threads for pipelines. Futorki. Main dimensions

GOST 8961-75 Ductile iron connecting parts with cylindrical threads for pipelines. Lock nuts. Main dimensions

GOST 8962-75 Ductile iron connecting parts with cylindrical threads for pipelines. Caps Main dimensions

GOST 8963-75 Ductile iron connecting parts with cylindrical threads for pipelines. Traffic jams. Main dimensions

GOST 8965-75 Steel connecting parts with cylindrical threads for pipelines P = 1.6 MPa. Technical conditions

GOST 8966-75 Steel connecting parts with cylindrical threads for pipelines P = 1.6 MPa. Couplings are straight. Main dimensions

GOST 8967-75 Steel connecting parts with cylindrical threads for pipelines P = 1.6 MPa. Nipples. Main dimensions

GOST 8968-75 Steel connecting parts with cylindrical threads for pipelines P = 1.6 MPa. Lock nuts. Main dimensions

GOST 8969-75 Steel connecting parts with cylindrical threads for pipelines P = 1.6 MPa. Sgony Main dimensions

GOST 8971-78 Imitation leather, film materials and shoe cardboard. Methods for determining the hygroscopicity and moisture yield

GOST 8972-78 Imitation leather. Methods for the determination of namokaemoe and shrinkage

GOST 8973-77 Imitation leather. Method for determining air permeability

GOST 8975-75 Imitation leather. Methods for determining the abrasion and adhesion of the coating

GOST 8977-74 Artificial leather and film materials. Methods for determining flexibility, stiffness and elasticity

GOST 8978-75 Artificial leather and film materials. Methods for the determination of resistance to multiple bending

GOST 8978-2003 Imitation leather and film materials. Methods for the determination of resistance to multiple bending

GOST 8979-75 Imitation leather and film materials. Methods for determining resistance to heat and light heat aging