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发明名称
MANUFACTURE OF PRETENSIONING PRESTRESSED CONCRETE BEAM
摘要
申请公布号
JPS6277906(A)
申请公布日期
1987.04.10
申请号
JP19850218875
申请日期
1985.09.30
申请人
NIPPON SAMIKON KK
发明人
YAMAMOTO TATSURO
分类号
B28B23/04;B28B7/10
主分类号
B28B23/04
代理机构
代理人
主权项
地址
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