【考案の名称】煙突

Title:

【考案の名称】煙突

Document Type and Number:

Japanese Patent JPH0714572

Kind Code:

Y2

Inventors:

Yasuo Shimizu
Sadako

Application Number:

JP3950391U

Publication Date:

April 10, 1995

Filing Date:

May 30, 1991

Export Citation:

Assignee:

HEC Corporation

International Classes:

E04G23/08; E04H12/28; (IPC1-7): E04H12/28; E04G23/08

Attorney, Agent or Firm:

Yoshihiro Morimoto

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