Protection device for municipal engineering maintenance

A protection device for municipal engineering maintenance comprises a protection frame, the protection frame comprises a bottom supporting frame and a sliding telescopic frame, the sliding telescopicframe is connected to the upper portion of the bottom supporting frame in a sliding mode, a connectin...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG HONGWEI, MEI YONG, WANG LIANGSONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION FENCING FIXED CONSTRUCTIONS LABELS OR NAME-PLATES MASTS PHYSICS SEALS SIGNS SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL
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