Porous combination formula alloy plastic cable crane span structure that can freely go between

The utility model discloses a porous combination formula alloy plastic cable crane span structure that can freely go between, including crane span structure and the connecting piece of joint at the crane span structure both ends, the crane span structure includes the crane span structure body and th...

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Bibliographische Detailangaben
1. Verfasser: XIE ZULIN
Format: Patent
Sprache:chi ; eng
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