【発明の名称】二重溝付伝熱管の製造方法

Title:

【発明の名称】二重溝付伝熱管の製造方法

Document Type and Number:

Japanese Patent JP3337880

Kind Code:

B2

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Inventors:

Tetsuya Sumitomo
Takashi Yamamoto
Toshiaki Hashizume

Application Number:

JP22807495A

Publication Date:

October 28, 2002

Filing Date:

September 05, 1995

Export Citation:

Assignee:

THE FURUKAW ELECTRIC CO.,LTD.

International Classes:

F28F1/40; B21C3/08; B21C3/16; B21D17/00; B21D53/06; (IPC1-7): B21C3/08; B21C3/16; B21D17/00; B21D53/06; F28F1/40

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