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发明名称
ASBESTOS-FACED DRIER FELT
摘要
申请公布号
CA371323(A)
申请公布日期
1938.01.18
申请号
CAD371323
申请日期
申请人
LAWRENCE DUCK COMPANY
发明人
WILLIAM A. BARRELL
分类号
主分类号
代理机构
代理人
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