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发明名称
Press
摘要
申请公布号
US1951999(A)
申请公布日期
1934.03.20
申请号
US19290380348
申请日期
1929.07.23
申请人
SPRAGUE SPECIALTIES CO.
发明人
SPRAGUE FRANK DESMOND
分类号
B30B1/32;B30B15/30;B30B15/34
主分类号
B30B1/32
代理机构
代理人
主权项
地址
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