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发明名称
Method of producing cork board
摘要
申请公布号
US1917361(A)
申请公布日期
1933.07.11
申请号
US19300452921
申请日期
1930.05.16
申请人
MITCHELL & SMITH, INCORPORATED
发明人
CHAMPNEY RALPH P.
分类号
B27J5/00
主分类号
B27J5/00
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代理人
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