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发明名称
JUNTA DE UNLAO PARA TUBOS TERMOPLASTICOS DE PAREDES MULTIPLAS E PROCESSO PARA PRODUCAO
摘要
申请公布号
BR7703421(A)
申请公布日期
1978.02.28
申请号
BR19770003421
申请日期
1977.05.26
申请人
TOKAN KOGYO CO LTD
发明人
TAKAHASHI K
分类号
F16L39/00;(IPC1-7):F16L39/00
主分类号
F16L39/00
代理机构
代理人
主权项
地址
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