HEAT INSULATING METHOD OF PIPE BODY USING CORRUGATED BOARD AND HEAT INSULATING PIPE

PROBLEM TO BE SOLVED: To provide a heat insulating method of a pipe body and its heat insulating pipe, capable of simplifying a structure, reducing its construction cost and achieving high heat insulating effect. SOLUTION: In this heat insulating method of the pipe body, a corrugated board is bent t...

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1. Verfasser: NAKAMURA TOMIO
Format: Patent
Sprache:eng
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