Folding two-wheeled baby carriage

作者: Simpson Barry

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摘要: This invention relates to folding two-wheeled baby carriages and has for its object provide an improved construction which will not only permit of the vehicle being folded into a compact space storage or transport but also enable weight supported by device be disposed...

参考文章(1)
Perlman Theodore Harold, Diathermy method and apparatus ,(1927)