JPS61124317U - - Google Patents

Info

Publication number

JPS61124317U

JPS61124317U JP624185U JP624185U JPS61124317U JP S61124317 U JPS61124317 U JP S61124317U JP 624185 U JP624185 U JP 624185U JP 624185 U JP624185 U JP 624185U JP S61124317 U JPS61124317 U JP S61124317U

Authority

JP

Japan

Prior art keywords

heat exchanger

inner circumferential

tubes

circumferential grooves

cutter shaft

Prior art date

1985-01-22

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000003754 machining Methods 0.000 claims description 4
• 238000010586 diagram Methods 0.000 description 2

Cited By (1)