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发明名称
TRACTION WHEEL
摘要
申请公布号
CA387457(A)
申请公布日期
1940.03.12
申请号
CAD387457
申请日期
申请人
RAYMOND R. WILLIAMS;ARTHUR MERKEL;HARRY G. HAMBRIGHT;IRA JONES;JAMES B. VEDDER
发明人
WALTER MAXWELL
分类号
主分类号
代理机构
代理人
主权项
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