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发明名称
FELT AND PRODUCT MANUFACTURE
摘要
申请公布号
CA415076(A)
申请公布日期
1943.09.07
申请号
CAD415076
申请日期
申请人
SYLVANIA INDUSTRIAL CORPORATION
发明人
CARLETON S. FRANCIS, JR.
分类号
主分类号
代理机构
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