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公开(公告)号:US1337796A
公开(公告)日:1920-04-20
申请号:US29029119
申请日:1919-04-15
Applicant: SMITH , EVERETT FIBRE PRODUCTS CORP
Inventor: SMITH HERBERT J , EVERETT ERNEST P
公开(公告)号:US1337796A
公开(公告)日:1920-04-20
申请号:US29029119
申请日:1919-04-15
Applicant: SMITH , EVERETT FIBRE PRODUCTS CORP
Inventor: SMITH HERBERT J , EVERETT ERNEST P