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发明名称
APPARATUS FOR AND METHOD OF ROOF CONTROL
摘要
申请公布号
CA532147(A)
申请公布日期
1956.10.23
申请号
CAD532147
申请日期
申请人
JOY MANUFACTURING COMPANY
发明人
JOSEPH F. JOY
分类号
主分类号
代理机构
代理人
主权项
地址
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