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发明名称
Tank balls
摘要
申请公布号
US3178729(A)
申请公布日期
1965.04.20
申请号
US19620215453
申请日期
1962.08.07
申请人
WOODWARD WANGER COMPANY
发明人
ZIMMERMAN KARL L.
分类号
E03D1/34
主分类号
E03D1/34
代理机构
代理人
主权项
地址
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