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发明名称
MATERIAL CONTACTING APPARATUS
摘要
申请公布号
CA356501(A)
申请公布日期
1936.03.10
申请号
CAD356501
申请日期
申请人
THE STANDARD OIL COMPANY
发明人
ROBERT E. WILSON
分类号
主分类号
代理机构
代理人
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地址
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