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经营范围
发明名称
Production of hollow products
摘要
申请公布号
US2345144(A)
申请公布日期
1944.03.28
申请号
US19400326533
申请日期
1940.03.28
申请人
WALTER OPAVSKY
发明人
OPAVSKY WALTER
分类号
B29C49/46
主分类号
B29C49/46
代理机构
代理人
主权项
地址
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