APPAREIL COLLECTEUR D`HERBE ET TONDEUSE LE COMPORTANT

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专利权人:

BLACKBURN JACK,GB

发明人:

申请号：

FR19730029635

公开号：

FR2196113(A1)

申请日:

1973.08.14

申请国别(地区):

法国

年份:

1974

代理人:

摘要：

In a method of producing a grass carpet, a water impermeable sheet formed with a plurality of apertures is placed directly on a root impermeable surface and a mixture of grass seed and compost laid on top of the sheet. The size of the apertures is such that seed is unable to pass through the apertures. Preferably the sheet is a perforated plastic sheet and the root impermeable surface is a sheet of plastics material.

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中国工程科技知识中心

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