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A portable 'surface covering' for mainly outdoor use, in a horizontal or inclined plane, subject to support from the underlying substratum. The 'surface covering' has means to maintain its position in loose, unstable, easily penetrated substratum, using tube pegs, 'envelopes...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ROBERT JAMES SCARBOROUGH
Format:	Patent
Sprache:	eng
Schlagworte:	AMUSEMENTS CHUTES GAMES HUMAN NECESSITIES MERRY-GO-ROUNDS ROCKING-HORSES SIMILAR DEVICES FOR PUBLIC AMUSEMENT SPORTS SWINGS SWITCHBACKS
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