Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"PAPE NORMAN R" Page 1

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发明授权
Surface hardening of linear polyamide bodies 失效
Title translation: 线性聚酰胺体的表面硬化

公开(公告)号：US2336384A

公开(公告)日：1943-12-07

申请号：US39741041

申请日：1941-06-10

Applicant: BELL TELEPHONE LABOR INC

Inventor： BAKER WILLIAM O , PAPE NORMAN R

IPC: C08J7/00 , C08J7/02

CPC classification number: C08J7/02 , C08J7/08 , C08J2377/00 , Y10T428/24983 , Y10T428/31 , Y10T428/31739

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