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经营范围
发明名称
Cement mold
摘要
申请公布号
US1981203(A)
申请公布日期
1934.11.20
申请号
US19320629353
申请日期
1932.08.18
申请人
EULIE B. EIDSON
发明人
SIEMS HENRY J.
分类号
B28B7/18;B28B7/24
主分类号
B28B7/18
代理机构
代理人
主权项
地址
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