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公开(公告)号:US3448597A
公开(公告)日:1969-06-10
申请号:US3448597D
申请日:1967-04-11
Applicant: EVADUR PRODUCTS INC
Inventor: LIVINGSTONE STANLEY
CPC classification number: D06B23/042
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公开(公告)号:US3546905A
公开(公告)日:1970-12-15
申请号:US3546905D
申请日:1969-02-25
Applicant: EVADUR PRODUCTS INC
Inventor: LIVINGSTONE STANLEY
CPC classification number: D06B23/042
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