METHOD OF CONSTRUCTION OF PROPELLING PIPE

Title:

METHOD OF CONSTRUCTION OF PROPELLING PIPE

Document Type and Number:

Japanese Patent JPS56100997

Kind Code:

A

Inventors:

TAWARA MASATOSHI

Application Number:

JP17039979A

Publication Date:

August 13, 1981

Filing Date:

December 28, 1979

Export Citation:

Assignee:

TAWARA MASATOSHI
KIMURA KENJI

International Classes:

E21D9/08; E21D9/06; E21D9/12; (IPC1-7): E21D9/06; E21D9/12

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