Viterous and porcelain enamels-Determination of the resistance to abrasion
Method for wearability testing of glass -lining
Glass ball valve
Glass -lined diaphragm valve
Glass lined-face valves
Glass - lined face valve
Glass lined-life down valves
Glass lined -- lift down valves
Glass lined-life up valves
Long -- term heat distortion test method of polypropylene pall ring packing
Polytrifluoromonochlorethylene plastic -- Lined stop valve
Compression test method of polypropylene pall ring packing
Drop impact test method of polypropylene pall ring packing
Specifications for acid resisting ceramic intalox saddles
Methods of test for the performance of acid resistant ceramic material
Testing methods for the performance of acid resistant ceramic
General technic specification for acid resistant ceramic equipment
General technic specification for acid resistant ceramic equipment
Acid -resistant ceramic equipment lines
Flange connector for graphite pipe
Detector for graphite pipe
Graphite pipe compensator
Universal split flange of steel for graphite pipe
Annular tube for thermometer of graphite
Graphite intemal joint
Graphite pipe flange