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发明名称
Verfahren zur Herstellung eines Rohres, das an seiner Innenoberfläche einen schraubenlinienförmig verlaufenden Vorsprung hat
摘要
申请公布号
CH528965(A)
申请公布日期
1972.10.15
申请号
CH19700018815
申请日期
1970.12.18
申请人
FUJI PHOTO FILM CO., LTD.
发明人
TAKEDA,HIDEO;MAEDA,SHOSAKU;KOSEMURA,TOSHIO
分类号
B29D1/00;B29D23/00;(IPC1-7):B29D23/00;B21C37/26
主分类号
B29D1/00
代理机构
代理人
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地址
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