関連ワード:  freight hsn code 6 digit    freight hsn code 6 digit gst rate    transportation hsn code 6 digit    shipping hsn code 6 digit    freight charges hsn code 6 digit    freight outward hsn code 6 digit    freight inward hsn code 6 digit    freight exp hsn code 6 digit    transport charges hsn code 6 digit    shipping charges hsn code 6 digit