Assertion: slide fastener's pair | /r/HasProperty | formed on faces of the bottom portion
Facets:
Source sentences:
text: A flat concave-row-supporting portion 5 is provided laterally on part of an outside of a bottom portion 12 of the fitting concave portion 10 , for example, in a central portion thereof, so that a pair of slider guide portions 13 for guiding a slider 41 are formed on faces of the bottom portion 12 above and below the concave-row-supporting portion 5 .