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发明名称
Hollow article and method of making the same
摘要
申请公布号
US2418551(A)
申请公布日期
1947.04.08
申请号
US19450594773
申请日期
1945.05.19
申请人
GRENEKER LILLIAN L
发明人
GRENEKER LILLIAN L.
分类号
B31D5/00
主分类号
B31D5/00
代理机构
代理人
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地址
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