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发明名称
MULTIPLE PLATE TUBULAR STRUCTURE AND ITS CONSTRUCTION METHOD
摘要
申请公布号
JPS52149840(A)
申请公布日期
1977.12.13
申请号
JP19770064059
申请日期
1977.06.02
申请人
HABIB PIERRE
发明人
PIEERU ABIBU
分类号
E21D11/14;E04B1/38;E04B1/61;F16L9/22
主分类号
E21D11/14
代理机构
代理人
主权项
地址
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