Fireproof coated structure for penetration part

Assignee

• Yoshino Gypsum Co.

Inventors

• Yukiko Chatani (2 patents)
• Mariko Seki (2 patents)
• Takahiro Hebiishi (2 patents)
• Eiichi Kuroda (2 patents)
• Wataru Ohuchi (23 patents)
• Takuji Yamashita (9 patents)
• Kouji Yamakata (3 patents)

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