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发明名称
Sheet fastening
摘要
申请公布号
US1800609(A)
申请公布日期
1931.04.14
申请号
US19290351236
申请日期
1929.03.30
申请人
JOHNS-MANVILLE CORPORATION
发明人
DRAKE RALPH E.
分类号
E04F19/06
主分类号
E04F19/06
代理机构
代理人
主权项
地址
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