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发明名称
APPARATUS FOR MANUFACTURING PRE-TENSIONED REINFORCED CONCRETE SECTIONS
摘要
申请公布号
CA653796(A)
申请公布日期
1962.12.11
申请号
CAD653796
申请日期
申请人
WEST ALLIS CONCRETE PRODUCTS COMPANY
发明人
JAMES M. YOUNG
分类号
主分类号
代理机构
代理人
主权项
地址
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