作者: David L. Tapfer
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摘要: A platform type service vehicle or truck having an elevatable hydraulically rotatable through 360°, self locking as to rotation when not under power, with a single mast of telescoping sections comprising opposing channel-like members linked by crossmembers closely adjacent each end section. The are nested stationary section being outermost the nest and most innermost. is mounted upon frame chassis tranportable over public highways in lowered position point use, whereupon elevated desired height for use.