Helically formed

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CPC
Y10S165/535

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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S165/00Heat exchange

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Y10S165/535Helically formed

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Patents Grantslast 30 patents

Information Patent Grant
Tubular body
- Patent number 4,245,697
- Issue date Jan 20, 1981
- Akira Togashi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
3612175
- Patent number 3,612,175
- Issue date Oct 12, 1971
- F28 - HEAT EXCHANGE IN GENERAL