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锡铅焊料化学分析方法 锡量的测定
Methods for chemical analysis of tin-lead soldersDetermination of tin content
Methods for chemical analysis of tin-lead soldersDetermination of tin content
Wrought copper and copper alloys-Deteetion of residual stress Ammonia test
Wrought copper and copper alloys-Detection of residual sfressMereury nitrate test
Steels for welded round link chains for mines
Methods for chemical analysis of tin-lead solders Part 11:Determination of phosphorus content-Crystal violetphosphorus-vanadium-molybdeum heteropoly acid speetrophotometry
Inspeetion method for bonding ability of sintered friction elements
Sintered metal friction materials-Determination of apparent hardness
Sintered metal friction materials Determination of compressive strength
Sintered metal friction materials Determination of tensile strength
Sintered metal friction materials Determination of transverse rupture strength