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公开(公告)号:US3434263A
公开(公告)日:1969-03-25
申请号:US3434263D
申请日:1965-07-19
Applicant: KEYSTONE CONSOLIDATED IND INC
Inventor: BECKMAN MELVIN H , UNTER ROBERT K , WALD SAMUEL K
公开(公告)号:US3434263A
公开(公告)日:1969-03-25
申请号:US3434263D
申请日:1965-07-19
Applicant: KEYSTONE CONSOLIDATED IND INC
Inventor: BECKMAN MELVIN H , UNTER ROBERT K , WALD SAMUEL K