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公开(公告)号:US2296070A
公开(公告)日:1942-09-15
申请号:US10201836
申请日:1936-09-22
Applicant: PARKER RUST PROOF CO
Inventor: THOMPSON JOHN S , GOODSPED EDWIN W
公开(公告)号:US2296070A
公开(公告)日:1942-09-15
申请号:US10201836
申请日:1936-09-22
Applicant: PARKER RUST PROOF CO
Inventor: THOMPSON JOHN S , GOODSPED EDWIN W