IT1076148B
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Automatic control for ripper tool - has depth control circuit to automatically change attitude of ripper blade
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FR2387579A1
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Automatic control for ripper tool - has depth control circuit to automatically change attitude of ripper blade
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JPS53130803A
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Automatic adjuster for ripper tool loaded on tractor
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AU2443077A
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Control device for a tractor mounted ripper tool
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Automatic control for ripper tool
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BURUTOOZANIMOCHIIRARERUCHOSETSUDEKIRU KOBAITSUKEITASOCHI
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Device for burying rigid wall pipe
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Linkage for a ground ripping tool
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FI57037B
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LAENKSYSTEM Foer UPPBAERANDE AV ETT SKAERVERKTYG I POSITION Foer ANVAENDNING PAO EN TRAKTOR
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Linkage for a ground ripping tool
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