| 摘要 |
PCT No. PCT/SE85/00357 Sec. 371 Date May 16, 1986 Sec. 102(e) Date May 16, 1986 PCT Filed Sep. 18, 1985 PCT Pub. No. WO86/01854 PCT Pub. Date Mar. 27, 1986.A rock cavity for storing fluids, solid products for some other purpose, such as the protected manufacture or production of goods, comprising a substantially vertical, cylindrical rock cavity comprising a conical top section (14), and a conical or horizontal bottom section (15) and a vertical section (1) extending therebetween and presenting in cross-section a polygonal shape, wherewith vertical shafts (11) are located in at least half the corners of the polygon.
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