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公开(公告)号：US1299453A
公开(公告)日：1919-04-08
申请号：US23087318
申请日：1918-04-26
Applicant: COMPRESSED WOOD PRESERVING COMPANY
Inventor： FREY GEORGE W
CPC classification number: E01C2201/02
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公开(公告)号：US1184945A
公开(公告)日：1916-05-30
申请号：US7815516
申请日：1916-02-14
Applicant: COMPRESSED WOOD PRESERVING COMPANY
Inventor： GILBERT WILLIAM J
CPC classification number: E01C2201/02
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