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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
P141
Hemmi
Japan
Plastic
1974 Apr
12.5 cm
Air Conditioning Duct Design
Notes:
Hemmi date code YD. This plastic specimen is not marked with company name as described in Ross's Catalogue Raisonne.
Image 1
Image 2
