MANUFACTURE OF HEAT-INSULATING DOUBLE PIPE USED FOR OIL WELLFACILITY

Title:

MANUFACTURE OF HEAT-INSULATING DOUBLE PIPE USED FOR OIL WELLFACILITY

Document Type and Number:

Japanese Patent JPS6179097

Kind Code:

A

Inventors:

KAWAI HIROO
AKIMOTO TOSHIO

Application Number:

JP20125084A

Publication Date:

April 22, 1986

Filing Date:

September 26, 1984

Export Citation:

Assignee:

KAWASAKI HEAVY IND LTD

International Classes:

B23K9/028; B32B1/08; F16L9/18; F16L59/16; F16L59/18; (IPC1-7): B23K31/06; B32B1/08; F16L9/18; F16L59/16

Attorney, Agent or Firm:

Yoshio Sano

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