LADDER DEVICE FOR FLOATING ROOF TYPE TANK

Title:

LADDER DEVICE FOR FLOATING ROOF TYPE TANK

Document Type and Number:

Japanese Patent JPS602477

Kind Code:

A

Inventors:

HASEGAWA ISAO
SHIBAYAMA NAGAHISA
MAMIYA ISAMU
HASHIMOTO NAOYA

Application Number:

JP9947683A

Publication Date:

January 08, 1985

Filing Date:

June 06, 1983

Export Citation:

Assignee:

ISHII TEKKOSHO KK

International Classes:

E06C9/08; B65D88/34; E06C9/00; (IPC1-7): B65D88/34; E06C9/00

Next Patent: JPS602478