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发明名称
RESILIENT ARTICLE MAKING METHOD
摘要
申请公布号
CA407752(A)
申请公布日期
1942.09.29
申请号
CAD407752
申请日期
申请人
ROBERT O. WELKER
发明人
OSCAR B. WELKER
分类号
主分类号
代理机构
代理人
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