发明授权
US5813680A Hand truck with expandable secondary containment reservoir 失效
带可扩展二次安全壳的手推车

Hand truck with expandable secondary containment reservoir
摘要:
A handtruck for transporting and supporting in a generally horizontal position liquid dispensing drums, the handtruck having a secondary containment means to retain any spills or leakage, the secondary containment means having one or more expandable containment means connected in fluid communication, such that a large volume of liquid will force the expandable containment means into the expanded state, thereby greatly increasing the liquid retention capacity of the device.
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