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发明名称
Method of making swing joint dress ornaments
摘要
申请公布号
US1912990(A)
申请公布日期
1933.06.06
申请号
US19310580240
申请日期
1931.12.11
申请人
BERNAT MECHLOVITS;MORRIS BELLOCH
发明人
MECHLOVITS BERNAT;BELLOCH MORRIS
分类号
B21D53/36;B22D25/02
主分类号
B21D53/36
代理机构
代理人
主权项
地址
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