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经营范围
发明名称
Feeding mechanism
摘要
申请公布号
US2130235(A)
申请公布日期
1938.09.13
申请号
US19360086275
申请日期
1936.06.20
申请人
IRENE K. HEYMAN
发明人
HEYMAN MOSES D.
分类号
B21D43/02;B21D43/18;B28D1/32;B28D7/04
主分类号
B21D43/02
代理机构
代理人
主权项
地址
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