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经营范围
发明名称
Metal sheeting
摘要
申请公布号
US1770063(A)
申请公布日期
1930.07.08
申请号
US19270230991
申请日期
1927.11.04
申请人
INTERNATIONAL DERRICK & EQUIPMENT COMPANY
发明人
BLOSS RICHARD R.;CREAMER SYLVESTER B.
分类号
E04D3/366
主分类号
E04D3/366
代理机构
代理人
主权项
地址
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