| 摘要 |
<p>1,133,977. Agricultural irrigation. EAU ET FEU SOC. ANON. 3 Aug., 1966 [20 Aug., 1965; 3 Sept., 1965; 8 July, 1966], No. 34749/66. Heading AID. A hosepipe for use in agricultural irrigation is provided with side connectors spaced at regular intervals for the attachment of smaller pipes at right angles to the hosepipe. Openings formed by two slots are made in the hospipe and form tongues 2A which are folded back and clamped between an inner portion 5 and outer portion 6 of the connector.</p> |
