耐火二層管継手における外被層破損防止装置

Title:

耐火二層管継手における外被層破損防止装置

Document Type and Number:

Japanese Patent JP6453670

Kind Code:

B2

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Inventors:

Atsushi Ogino
Sadaharu Okita

Application Number:

JP2015039173A

Publication Date:

January 16, 2019

Filing Date:

February 27, 2015

Export Citation:

Assignee:

Funen Across Co., Ltd.

International Classes:

F16L41/02; F16L9/14

Domestic Patent References:

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